[incubator/etcd] update description and add icon (#588)
[incubator/etcd] update description and add icon (#588)

* [incubator/etcd] update description and add icon
* version bump

krallistic/charts,barklyprotects/charts,eicnix/charts,pfeodrippe/charts,rimusz/helm-charts,helm/charts,mluedke/charts,mlaccetti/charts,helm/charts,samisms/charts,DevOpsify/charts,mluedke/charts,sstarcher/charts,lachie83/charts,smileisak/charts,sd2k/charts,sd2k/charts,caiwenhao/charts,pfeodrippe/charts,escardin/charts,smelchior/charts,krallistic/charts,lachie83/charts,GaneshSPatil/charts,pfeodrippe/charts,mluedke/charts,barklyprotects/charts,rimusz/helm-charts,DevOpsify/charts,viglesiasce/charts,mlaccetti/charts,sstarcher/charts,oleh-ozimok/charts,caiwenhao/charts,grugnog/charts,lachie83/charts,helm/charts,escardin/charts,oleh-ozimok/charts,lachie83/charts,ledor473/charts,helm/charts,kachkaev/charts,DevOpsify/charts,GaneshSPatil/charts,sstarcher/charts,sd2k/charts,viglesiasce/charts,pfeodrippe/charts,grugnog/charts,trobert2/charts-1,escardin/charts,rimusz/helm-charts,krallistic/charts,viglesiasce/charts,jainishshah17/charts,ledor473/charts,samisms/charts,smileisak/charts,trobert2/charts-1,trobert2/charts-1,kachkaev/charts,eicnix/charts,caiwenhao/charts,jainishshah17/charts,jainishshah17/charts,smileisak/charts,kachkaev/charts,grugnog/charts,barklyprotects/charts,DevOpsify/charts,samisms/charts,mlaccetti/charts,smelchior/charts,GaneshSPatil/charts,smelchior/charts,GaneshSPatil/charts,eicnix/charts,rimusz/helm-charts,ledor473/charts,oleh-ozimok/charts,sd2k/charts